--- On Thu, 6/9/11, Liam Girdwood lrg@ti.com wrote:
From: Liam Girdwood lrg@ti.com Subject: Re: [alsa-devel] asoc: no valid backend routes for PCM: SDP4430 Media To: "hong zhang" henryzhang62@yahoo.com Cc: "alsa-devel@alsa-project.org" alsa-devel@alsa-project.org Date: Thursday, June 9, 2011, 12:48 PM On 09/06/11 18:45, hong zhang wrote:
Liam,
Arecord gets data from DMIC! Using following
commands.
"arecord -f dat -D plughw:0,0 dmic.wav" with "amixer
cset numid=61 1 and
amixer cset numid=60 2" to get data from DMIC after
turning off two analog captures.
Information from "arecrod -l" is not sync with ABE
routing table. For example, "arecord -l" indicates hw:0,10 is DMIC capture but
ABE diagram indicates plughw:0,0 can be used for DMIC
input.
Are "arecord -l" and "aplay -l" still useful?
Yes, but not for OMAP4 atm.
1. What is OMAP4 ATM? 2. Why "hw:0,10 DMIC capture" does not work for DMIC input?
Thanks
Liam